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Understanding Lipomas in Dogs

Lipomas are extremely common in dogs. These fatty lumps that sit underneath the skin are usually benign, meaning they are not cancerous. While a lipoma in a dog is typically nothing to worry about, it's still important for dog owners to understand what lipomas are, what causes them, and how to best manage them.

What is a Lipoma?

A lipoma is a growth made up of fat cells. They form lumps under the skin, feeling soft and movable to the touch. Lipomas are typically round or oval shaped. They are also encapsulated, meaning the lumps of fat cells are contained within a thin layer of tissue.

Lipomas can range in size dramatically. Some remain very small, around the size of a pea. Others grow much larger, even as big as a baseball in some cases. They also tend to grow slowly over time.

These fatty tumors are benign, or noncancerous. This means they do not spread to other parts of the body. A lipoma will simply sit where it forms, under the skin.

What Causes Lipomas in Dogs?

Experts are not entirely sure what causes lipomas to form in the first place. However, there are some theories behind the development of these fatty lumps:

• Genetics - Certain breeds are more prone to developing lipomas. This indicates there may be a genetic component.
• Fat cells multiplying - Lipomas form when fat cells multiply rapidly in one area, clumping together.
• Obesity - Overweight and obese dogs tend to get more lipomas. Excess fat seems to encourage lipoma development.
• Fatty diet - Similarly, eating a diet too high in fat may promote excess fat cell growth.
• Injury - Trauma to an area may potentially trigger the formation of a lipoma.
• Chronic inflammation - Long-term inflammation seems to encourage lipoma growth.

While these factors are all potentially at play, experts simply do not know exactly what makes a lipoma form. Some dogs are simply prone to them, while others can go their whole lives without developing a single fatty tumor.

What Do Lipomas Look Like on Dogs?

Lipomas can pop up anywhere on a dog's body. However, there are certain spots they tend to show up more frequently:

• Chest and abdomen - This region tends to be the most common location for lipomas.

Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional before starting any new treatment regimen.